This set adds write support to the currently available read support
for {cls,act}_bpf programs. First one is a fix for affected commit
sitting in net-next and prerequisite for the second one, last patch
adds a number of test cases against the verifier. For details, please
see individual patches.Thanks! Daniel Borkmann (3): bpf, verifier: enforce larger zero range for pkt on overloading stack buffs bpf: direct packet write and access for helpers for clsact progs bpf: add test cases for direct packet access include/linux/bpf.h | 4 +- include/linux/skbuff.h | 14 +- include/uapi/linux/bpf.h | 21 +++ kernel/bpf/helpers.c | 3 + kernel/bpf/verifier.c | 56 ++++-- net/core/filter.c | 134 ++++++++++++-- samples/bpf/test_verifier.c | 433 +++++++++++++++++++++++++++++++++++++++++++- 7 files changed, 627 insertions(+), 38 deletions(-) -- 1.9.3
